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Chevy 2001 Silverado 4.3 L. I replaced the knock sensor and…

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Chevy 2001 Silverado 4.3 L...
Chevy 2001 Silverado 4.3 L. I replaced the knock sensor and the "secondary air" and "evap" codes went away. Now getting "heater 02" and "catalytic converter" codes after driving 100 miles. Is there anything in common between those two that fixes both?
Submitted: 5 months ago.Category: Chevy
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Answered in 2 hours by:
11/18/2017
Chevy Mechanic: Roy, import/domestic specialest replied 5 months ago
Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 7,271
Experience: ASE master tech for 40 years
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hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 5 months ago

ok

can I have the code numbers you retrieved???

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 5 months ago

are you there

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Customer reply replied 5 months ago
I will have to get the exact codes on Monday. They are closed now.
Chevy Mechanic: Roy, import/domestic specialest replied 5 months ago

sounds like a plan/

will be here when you have them

Roy

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Chevy Mechanic: Roy, import/domestic specialest replied 5 months ago

any update??

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